Aspen HYSYS is strictly designed for the Windows environment. Windows 11 or Windows 10 (64-bit).
❌ ✅ Fact: Windows 10 alone uses 2.5-3 GB. HYSYS needs 3-4 GB baseline. 4 GB total will blue-screen.
Aspen HYSYS relies on several Microsoft components. The installer typically handles these, but manual verification is wise.
Windows Server 2012 R2 or later (for server-side deployments).
This is the most misunderstood requirement. Here is a rule of thumb:
If you run , column hydraulics , or parallel batch simulation , you need enterprise hardware.